Finding the Fourth Proportional to 576,650.99, 795,775.21 and 318,545.70
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Solution
The fourth proportional to 576,650.99, 795,775.21 and 318,545.70 is: 439,591.32
Step by Step Solution
- Step 1: Write the proportion equation
576,650.99 : 795,775.21 = 318,545.70 : x - Step 2: Convert to fraction form
576,650.99/795,775.21 = 318,545.70/x - Step 3: Cross multiply
576,650.99x = 795,775.21 × 318,545.70 - Step 4: Simplify right side
576,650.99x = 253,490,770,515.73 - Step 5: Solve for x
x = 253,490,770,515.73/576,650.99 - Step 6: Final answer
x = 439,591.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.